In the mid of 1980s I began to collect the first experiences with computers. At that time with the Commodore 16 and Datasette. The decision resulted in later also professionally to work with IT systems and to start at the beginning of the 1990s the study of computer science at the Technical University of Braunschweig. My professional career in the regional industry started in the late 1990s as a hardware-related software developer. After more than 15 years in the employment relationship, my freelance work emerged from the last work as an app developer for Apple devices early 2015. Herein lies my core competency. However, my Portfolio also extends beyond and includes (almost) everything around in the IT area.